EPHRATA, WASHINGTON

Monthly Total Growing Degree Days

(452609)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197103
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
Months with 5 missing days or less use mean for missing day(s)
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1903 0.00 z 0.00 z 0.00 z 99.44 c 309.00 668.00 734.50 762.08 a 0.00 z 0.00 z 0.00 0.00 2573.03
1904 0.00 0.00 0.00 164.50 299.50 519.50 786.00 836.00 525.00 163.50 7.00 0.00 3301.00
1905 0.00 a 0.00 a 35.13 a 139.50 203.00 h 465.00 c 850.50 730.50 439.50 23.50 0.00 z 0.00 g 2683.63
1906 0.00 0.00 b 13.29 c 161.50 f 195.50 l 393.62 a 1025.07 a 768.59 b 288.00 l 148.00 j 0.00 c 0.00 b 2200.56
1907 0.00 a 0.00 0.50 77.68 b 413.33 a 428.04 b 782.48 b 580.22 a 342.00 129.50 q 23.50 0.00 z 2647.75
1908 0.00 z 0.00 z 0.00 z 0.00 z 243.00 552.50 870.00 792.50 482.00 0.00 z 42.41 a 0.00 2982.41
1909 0.00 a 0.00 21.00 51.50 266.08 a 399.50 h 687.50 403.00 l 308.50 k 0.00 z 0.00 z 0.00 h 1026.08
1910 0.00 0.00 a 17.00 197.68 b 500.28 b 505.18 b 597.50 g 791.02 a 402.00 e 316.20 a 3.50 0.00 d 2732.85
1911 0.00 e 0.00 d 22.65 e 77.50 164.50 h 413.00 g 691.00 h 354.50 o 168.50 m 134.13 e 0.00 g 0.00 e 234.29
1912 0.00 e 0.00 4.00 k 38.50 i 232.00 m 218.50 n 154.50 w 61.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1913 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1914 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1915 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1916 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1917 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1918 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1919 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1920 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 202.50 t 881.00 717.00 342.50 102.50 0.00 0.00 2043.00
1921 0.00 3.00 4.00 52.00 376.81 b 581.00 772.50 763.00 235.00 189.62 a 0.00 a 2.00 2978.93
1922 0.00 0.00 0.00 61.03 a 295.00 754.50 908.00 800.00 532.50 227.50 0.00 0.00 3578.53
1923 0.00 0.00 41.00 124.00 336.50 484.00 843.50 840.50 562.50 176.00 1.00 0.00 3409.00
1924 0.00 4.00 0.00 115.50 576.50 609.00 821.50 753.00 491.50 128.00 0.00 1.50 3500.50
1925 0.00 0.00 15.50 189.50 418.50 622.50 946.00 735.00 423.50 19.00 z 0.00 0.00 3350.50
1926 0.00 0.00 42.00 293.79 a 291.50 627.50 912.50 752.50 284.50 120.00 2.50 0.00 a 3326.79
1927 0.00 0.00 1.50 81.00 232.00 596.50 840.50 768.50 323.79 a 90.50 0.00 0.00 2934.29
1928 0.00 0.00 a 18.00 70.00 502.00 565.00 895.00 719.50 491.50 109.50 0.00 0.00 3370.50
1929 0.00 0.00 4.50 82.00 378.00 495.00 773.50 856.00 430.50 205.50 0.00 0.00 3225.00
1930 0.00 0.00 45.47 a 223.00 344.00 480.50 841.50 838.00 460.50 92.00 1.00 0.00 3325.97
1931 0.00 0.00 6.00 133.50 476.00 529.00 850.00 791.00 384.50 116.50 0.00 0.00 3286.50
1932 0.00 0.50 10.50 147.00 299.00 676.50 666.00 707.00 523.00 158.00 0.00 3.50 3191.00
1933 0.00 0.00 0.00 132.50 172.00 554.50 773.00 793.50 333.50 209.50 12.00 0.00 2980.50
1934 0.00 a 0.00 68.00 353.00 478.00 647.00 771.00 843.00 363.00 180.00 5.50 0.00 3708.50
1935 0.00 0.00 6.00 73.50 370.50 528.50 774.50 719.50 571.00 145.50 0.00 0.00 3189.00
1936 0.00 0.00 4.50 250.00 521.50 590.50 806.00 800.00 435.00 258.50 0.00 0.00 3666.00
1937 0.00 0.00 9.50 54.00 372.50 495.50 835.00 648.00 558.50 267.00 2.00 0.00 3242.00
1938 0.00 0.00 2.00 155.00 410.00 679.50 954.50 743.00 689.50 207.00 0.00 0.00 3840.50
1939 0.00 0.00 75.50 207.00 443.50 516.00 882.00 902.50 525.00 171.00 0.00 0.00 3722.50
1940 0.00 0.00 43.00 150.50 498.50 712.00 823.00 834.50 594.50 210.00 0.00 0.00 3866.00
1941 0.00 0.00 67.00 195.50 316.00 517.50 965.00 721.00 311.50 118.50 2.00 0.00 3214.00
1942 0.00 0.00 29.50 160.50 272.00 497.50 862.50 900.50 611.50 213.50 0.00 0.00 3547.50
1943 0.00 0.00 10.00 177.50 247.00 459.00 830.00 706.50 611.50 199.50 0.00 3.00 3244.00
1944 0.00 0.00 16.00 141.00 397.50 555.00 858.00 742.00 572.50 341.00 1.73 d 0.00 3624.73
1945 0.00 0.00 3.00 74.50 376.50 529.00 869.50 842.00 444.00 277.50 6.00 0.00 3422.00
1946 0.00 0.00 10.50 136.50 443.82 a 479.00 797.00 805.00 429.00 92.48 a 0.00 0.00 3193.30
1947 0.00 3.00 82.00 192.00 383.50 l 528.33 c 776.00 711.34 c 481.61 b 141.16 c 1.50 0.00 2916.94
1948 0.00 0.00 7.00 54.00 270.00 606.00 681.48 a 657.50 430.50 78.50 j 0.00 0.00 2706.48
1949 0.00 0.00 2.00 174.00 513.00 559.00 748.50 760.50 545.50 74.50 18.50 0.00 3395.50
1950 0.00 0.00 a 1.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.00
1951 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 778.00 539.00 133.00 0.00 0.00 1450.00
1952 0.00 0.00 23.50 187.50 399.50 545.00 836.00 758.00 581.50 318.00 1.00 0.00 3650.00
1953 3.50 0.00 14.98 a 95.00 271.25 a 427.00 810.00 729.00 525.00 187.50 5.50 0.00 3068.73
1954 0.00 0.00 1.00 45.50 414.50 446.00 740.50 644.50 442.50 86.50 6.00 0.00 2827.00
1955 0.00 0.00 0.00 20.50 194.00 608.00 705.50 774.00 467.50 102.50 2.50 0.00 2874.50
1956 0.00 0.00 0.00 236.50 496.50 475.00 897.00 779.50 486.00 126.00 0.00 2.00 3498.50
1957 0.00 0.00 0.50 143.50 496.00 601.50 708.00 630.50 538.50 102.82 a 0.00 0.00 3221.32
1958 0.00 3.00 4.50 76.00 598.00 695.00 931.00 899.00 447.00 168.50 4.00 0.00 3826.00
1959 0.00 0.00 1.50 135.50 241.50 549.00 881.00 671.50 350.50 83.50 9.50 0.00 2923.50
1960 0.00 0.00 69.00 112.50 235.50 577.50 951.00 641.50 509.40 e 115.14 c 0.00 0.00 3211.54
1961 0.00 3.50 0.00 z 0.00 z 312.50 720.00 a 892.00 930.50 0.00 z 0.00 z 0.00 z 0.00 2858.50
1962 0.00 a 0.00 0.00 116.00 k 181.50 477.00 703.50 522.50 477.50 85.00 3.00 0.00 2450.00
1963 0.00 0.00 12.50 58.50 355.50 557.00 659.00 745.00 564.50 184.00 0.00 0.00 3136.00
1964 0.00 0.00 19.00 38.00 297.00 515.69 a 753.00 569.50 341.50 123.50 0.00 0.00 2657.19
1965 0.00 0.00 20.50 157.50 306.00 565.50 771.50 724.00 308.50 160.50 3.00 0.00 3017.00
1966 0.00 0.00 29.00 143.00 408.00 445.50 656.50 709.00 529.50 85.00 0.00 0.00 3005.50
1967 0.00 1.00 1.00 17.50 285.00 637.00 810.00 893.00 612.00 110.00 1.50 0.00 3368.00
1968 0.00 5.50 22.00 88.50 375.00 560.50 836.00 597.00 434.00 40.50 0.00 0.00 2959.00
1969 0.00 0.00 20.50 56.50 378.50 645.50 679.00 608.50 416.50 56.00 0.00 0.00 2861.00
1970 0.00 0.00 2.00 14.00 290.00 636.50 738.50 692.50 260.50 76.50 0.00 0.00 2710.50
1971 4.00 0.00 0.00 f 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4.00
Period of Record Statistics
MEAN 0.13 0.41 17.75 126.17 362.17 558.02 815.24 749.64 463.25 153.02 3.02 0.21 3274.98
S.D. 0.69 1.16 21.42 71.38 102.85 81.50 85.58 87.96 101.34 71.84 7.05 0.73 309.01
SKEW 5.14 2.89 1.54 0.76 0.27 0.32 0.05 -0.27 -0.24 0.73 3.93 3.37 0.08
MAX 4.00 5.50 82.00 353.00 598.00 754.50 1025.07 930.50 689.50 341.00 42.41 3.50 3866.00
MIN 0.00 0.00 0.00 14.00 172.00 393.62 656.50 522.50 235.00 23.50 0.00 0.00 2657.19
NO YRS 58 58 55 53 53 55 56 57 54 51 55 56 44